US2033679A - Choh-ch - Google Patents
Choh-ch Download PDFInfo
- Publication number
- US2033679A US2033679A US2033679DA US2033679A US 2033679 A US2033679 A US 2033679A US 2033679D A US2033679D A US 2033679DA US 2033679 A US2033679 A US 2033679A
- Authority
- US
- United States
- Prior art keywords
- apoquinine
- ether
- product
- solution
- choh
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 30
- -1 hydroxyethyl group Chemical group 0.000 description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 12
- 150000003839 salts Chemical class 0.000 description 12
- 239000011780 sodium chloride Substances 0.000 description 12
- RASAUPYEBCYZRS-BIPCEHGGSA-N Dihydrocupreine Natural products C1=C(O)C=C2C([C@@H](O)[C@@H]3C[C@@H]4CCN3C[C@@H]4CC)=CC=NC2=C1 RASAUPYEBCYZRS-BIPCEHGGSA-N 0.000 description 10
- LOUPRKONTZGTKE-WZBLMQSHSA-N Quinine Chemical compound C([C@H]([C@H](C1)C=C)C2)C[N@@]1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OC)C=C21 LOUPRKONTZGTKE-WZBLMQSHSA-N 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000002253 acid Substances 0.000 description 6
- 230000001476 alcoholic Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000003153 chemical reaction reagent Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 238000005755 formation reaction Methods 0.000 description 6
- SZIFAVKTNFCBPC-UHFFFAOYSA-N 2-Chloroethanol Chemical compound OCCCl SZIFAVKTNFCBPC-UHFFFAOYSA-N 0.000 description 4
- 235000001258 Cinchona calisaya Nutrition 0.000 description 4
- 241000434299 Cinchona officinalis Species 0.000 description 4
- LOUPRKONTZGTKE-LHHVKLHASA-N Quinidine Chemical compound C([C@H]([C@H](C1)C=C)C2)C[N@@]1[C@H]2[C@@H](O)C1=CC=NC2=CC=C(OC)C=C21 LOUPRKONTZGTKE-LHHVKLHASA-N 0.000 description 4
- 229960000948 Quinine Drugs 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- LRMHFDNWKCSEQU-UHFFFAOYSA-N ethoxyethane;phenol Chemical compound CCOCC.OC1=CC=CC=C1 LRMHFDNWKCSEQU-UHFFFAOYSA-N 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- 159000000001 potassium salts Chemical class 0.000 description 4
- 159000000000 sodium salts Chemical class 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- DNJRKFKAFWSXSE-UHFFFAOYSA-N 1-chloro-2-ethenoxyethane Chemical compound ClCCOC=C DNJRKFKAFWSXSE-UHFFFAOYSA-N 0.000 description 2
- VJFMSYZSFUWQPZ-BIPCEHGGSA-N 4-[(R)-[(2S,4S,5R)-5-ethenyl-1-azabicyclo[2.2.2]octan-2-yl]-hydroxymethyl]quinolin-6-ol Chemical compound C1=C(O)C=C2C([C@H]([C@H]3N4CC[C@H]([C@H](C4)C=C)C3)O)=CC=NC2=C1 VJFMSYZSFUWQPZ-BIPCEHGGSA-N 0.000 description 2
- VJFMSYZSFUWQPZ-WXPXUSHHSA-N 4-[(S)-[(2R,4S,5R)-5-ethenyl-1-azabicyclo[2.2.2]octan-2-yl]-hydroxymethyl]quinolin-6-ol Chemical compound C1=C(O)C=C2C([C@@H]([C@@H]3N4CC[C@H]([C@H](C4)C=C)C3)O)=CC=NC2=C1 VJFMSYZSFUWQPZ-WXPXUSHHSA-N 0.000 description 2
- 241000157855 Cinchona Species 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- STZCRXQWRGQSJD-GEEYTBSJSA-M Methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 description 2
- 229940012189 Methyl orange Drugs 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L Sulphite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 2
- 206010047571 Visual impairment Diseases 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- 229930013930 alkaloids Natural products 0.000 description 2
- 238000005804 alkylation reaction Methods 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-M benzoate Chemical compound [O-]C(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-M 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 201000009911 cataract 8 multiple type Diseases 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000005712 crystallization Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000001335 demethylating Effects 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 231100000053 low toxicity Toxicity 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 230000003287 optical Effects 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000001184 potassium carbonate Substances 0.000 description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 description 2
- UOVHNSMBKKMHHP-UHFFFAOYSA-L potassium;sodium;sulfate Chemical compound [Na+].[K+].[O-]S([O-])(=O)=O UOVHNSMBKKMHHP-UHFFFAOYSA-L 0.000 description 2
- 229960001404 quinidine Drugs 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000001225 therapeutic Effects 0.000 description 2
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D453/00—Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids
- C07D453/02—Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids containing not further condensed quinuclidine ring systems
- C07D453/04—Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids containing not further condensed quinuclidine ring systems having a quinolyl-4, a substituted quinolyl-4 or a alkylenedioxy-quinolyl-4 radical linked through only one carbon atom, attached in position 2, e.g. quinine
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C229/02—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton
- C07C229/34—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton containing six-membered aromatic rings
- C07C229/36—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton containing six-membered aromatic rings with at least one amino group and one carboxyl group bound to the same carbon atom of the carbon skeleton
Definitions
- This invention consists in a new compound, hydroxyethylapoquinineand its salts, and in the method of their formation. These substances having been found to have therapeutic effect and value, when taken and assimilated by living animals, man included.
- the method of formation is as follows:
- Apoquinine is prepared according to the wellknown method (Hesse, Ann. CCV, 314, 1880 and Frankel and Buhlea, Ber. LVIII, 559, 1925) except for two slight modifications. These consist in increasing slightly the proportion of quinine to hydrochloric acid, and reducing the minimum time of heating (at PLO- C.) from '7 hours to 5.
- a sodium or potassium salt of apoquinine is prepared and digested with ethylene chlorohydrin or other hydroxyethylating reagent, chlorethyl vinyl ether, glycol monotoluene sulfonate, hydroXydiethyl-suliate, toluenesulfonylglycol acetate, toluenesulfonylglycol benzoate.
- the desired hydroxyethylated product is then separated from the reaction mixture.
- apoquinine prepared according to the usual method, modified as stated above, is partially purified before submitting it to the action of the hydroxyalkylating agent.
- 2 parts of apoquinine are dissolved in 9 parts of absolute alcohol.
- the base is converted to dihydrochloride by passing dry 1101 gas into the solution until it is acid to methyl orange.
- Five parts of anhydrous ether are then added and the mixture is allowed to stand until crystallization is complete.
- Partially purified apoquinine dihydrochloride is then filtered off, washed twice with 1:1 ether alcohol mixture, and several times with dry ether. 1.4 to 1.6 parts of salt having an optical rotation of about [a]n198 in water are obtained.
- apoquinine dihydrochloride is converted to sodium or potassium salt and the hydroxyethyl group is introduced by alkylation, (conveniently) in alcoholic solution with ethylene chlorohydrine.
- the reaction is run for one hour at water bath temperature or for 24 hours at room temperature.
- the desired product, hydroxyethylapoquinine is worked up by evaporating the alcohol from the solution and taking up the residue in dilute hydrochloric acid.
- the acid solution is made strongly alkaline under a layer of ether.
- the 5 desired base is extracted with ether and the ether solution is dried with anhydrous potassium carbonate or sodium sulfate.
- the base is thrown out of ether solution as dihydrochloride by addition of alcoholic hydrochloric acid, using methyl 10 orange as indicator.
- the salt can be crystallized from a mixture of alcohol and ether. It melts at about 228 C. with decomposition.
- the hydroxyethyl group is introduced into the apoquinine by 15 producing first in alcoholic solution a salt of an akali metal and by adding ethylene chlorohydrin.
- Other metallic salts may be used as the intermediate product and other hydroxyethylating reagents may be used.
- the intermediate 20 product may, in any preferred manner, be brought into intimate association with the hydroxyalkylating reagent, whether by means of solution, suspension in a liquid carrier, or otherwise.
- apoquinine is a mixture of substances, it is not now possible to give graphic formula for the product of its hydroxyethylation; it is, however, possible to define it as an hydroxyethyl derivative of apoquinine, and so defined, it 30 is a new and useful product. It has high pneumococcocidal value and, thiswith low toxicity. W e have reason to believe that it-may be administered without producing in the patient those visual disturbances sometimes produced by the commonly 35 used ethyl dihydrocupreine.
- the method described above is applicable, not to apoquinine alone, but to those other cinchona alkaloids as well, that have a phenolic hydroxyl group. Those others are apoepiquinine, apo- 40 quinidine, apoepiquinidine, cupreine, hydrocupreine, cupreidine, hypocupreidine, epihydrocupreine, and epihydrocupreidine.
- the products of hydroxyethylation are homologs of the product derived from apoquinine, and have like utility.
- the product of the treatment of hydrocupreine will be recognized to be that disclosed in the application of Cretcher and Nelson, filed September 25, 1933, Serial No. 690,946. The method of formation here described is, however, new.
Description
Patented Mar. 10, 1936 PATET 1;;
HYDROXYETHYLAPOQUININE AND THE METHOD ITS PRODUCTION sylvania No Drawing. Application February 27, 1934, Serial No. 713,126
3 Claims.
This invention consists in a new compound, hydroxyethylapoquinineand its salts, and in the method of their formation. These substances having been found to have therapeutic effect and value, when taken and assimilated by living animals, man included.
The accepted formula is this l OH:
The method of formation is as follows:
Apoquinine is prepared according to the wellknown method (Hesse, Ann. CCV, 314, 1880 and Frankel and Buhlea, Ber. LVIII, 559, 1925) except for two slight modifications. These consist in increasing slightly the proportion of quinine to hydrochloric acid, and reducing the minimum time of heating (at PLO- C.) from '7 hours to 5. A sodium or potassium salt of apoquinine is prepared and digested with ethylene chlorohydrin or other hydroxyethylating reagent, chlorethyl vinyl ether, glycol monotoluene sulfonate, hydroXydiethyl-suliate, toluenesulfonylglycol acetate, toluenesulfonylglycol benzoate. The desired hydroxyethylated product is then separated from the reaction mixture.
More conveniently, apoquinine prepared according to the usual method, modified as stated above, is partially purified before submitting it to the action of the hydroxyalkylating agent. To this end 2 parts of apoquinine are dissolved in 9 parts of absolute alcohol. The base is converted to dihydrochloride by passing dry 1101 gas into the solution until it is acid to methyl orange. Five parts of anhydrous ether are then added and the mixture is allowed to stand until crystallization is complete. Partially purified apoquinine dihydrochloride is then filtered off, washed twice with 1:1 ether alcohol mixture, and several times with dry ether. 1.4 to 1.6 parts of salt having an optical rotation of about [a]n198 in water are obtained.
The so obtained apoquinine dihydrochloride is converted to sodium or potassium salt and the hydroxyethyl group is introduced by alkylation, (conveniently) in alcoholic solution with ethylene chlorohydrine. The reaction is run for one hour at water bath temperature or for 24 hours at room temperature.
The desired product, hydroxyethylapoquinine is worked up by evaporating the alcohol from the solution and taking up the residue in dilute hydrochloric acid. The acid solution is made strongly alkaline under a layer of ether. The 5 desired base is extracted with ether and the ether solution is dried with anhydrous potassium carbonate or sodium sulfate. The base is thrown out of ether solution as dihydrochloride by addition of alcoholic hydrochloric acid, using methyl 10 orange as indicator. The salt can be crystallized from a mixture of alcohol and ether. It melts at about 228 C. with decomposition.
In both the procedures described, the hydroxyethyl group is introduced into the apoquinine by 15 producing first in alcoholic solution a salt of an akali metal and by adding ethylene chlorohydrin. Other metallic salts may be used as the intermediate product and other hydroxyethylating reagents may be used. The intermediate 20 product may, in any preferred manner, be brought into intimate association with the hydroxyalkylating reagent, whether by means of solution, suspension in a liquid carrier, or otherwise.
Inasmuch as apoquinine is a mixture of substances, it is not now possible to give graphic formula for the product of its hydroxyethylation; it is, however, possible to define it as an hydroxyethyl derivative of apoquinine, and so defined, it 30 is a new and useful product. It has high pneumococcocidal value and, thiswith low toxicity. W e have reason to believe that it-may be administered without producing in the patient those visual disturbances sometimes produced by the commonly 35 used ethyl dihydrocupreine.
The method described above is applicable, not to apoquinine alone, but to those other cinchona alkaloids as well, that have a phenolic hydroxyl group. Those others are apoepiquinine, apo- 40 quinidine, apoepiquinidine, cupreine, hydrocupreine, cupreidine, hypocupreidine, epihydrocupreine, and epihydrocupreidine. The products of hydroxyethylation are homologs of the product derived from apoquinine, and have like utility. The product of the treatment of hydrocupreine will be recognized to be that disclosed in the application of Cretcher and Nelson, filed September 25, 1933, Serial No. 690,946. The method of formation here described is, however, new.
We claim as our invention:
1. As a new compound, hydroxyethylapoquinine, in which the hydroxyethyl group is attached as a phenol ether.
2. As new compounds, hydroxyethylapoquinine 55 in which the hydroxyethyl group is attached as a. phenol ether, and its salts.
3. The method herein described of preparing a hydroxethyl derivative of apoquinine which consists in demethylating quinine and rearranging in the presence of a mineral acid, from CH 4 N C CH-CH=CH| CHaO i CHOH H H:
and then realkylating with an hydroxyalkylating agent.
COURTLAND L. BUTLER. LEONARD H. CRETCHER. l5
Publications (1)
Publication Number | Publication Date |
---|---|
US2033679A true US2033679A (en) | 1936-03-10 |
Family
ID=3427747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US2033679D Expired - Lifetime US2033679A (en) | Choh-ch |
Country Status (1)
Country | Link |
---|---|
US (1) | US2033679A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2448767A (en) * | 1942-12-05 | 1948-09-07 | Mellon Inst Of Ind Res | Process of hydroxyethylation |
US4338320A (en) * | 1978-11-15 | 1982-07-06 | The Board Of Regents Of The University Of Nebraska | Esters of 6'-hydroxycinchonine, and a method of treating arrythmia with them |
-
0
- US US2033679D patent/US2033679A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2448767A (en) * | 1942-12-05 | 1948-09-07 | Mellon Inst Of Ind Res | Process of hydroxyethylation |
US4338320A (en) * | 1978-11-15 | 1982-07-06 | The Board Of Regents Of The University Of Nebraska | Esters of 6'-hydroxycinchonine, and a method of treating arrythmia with them |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Fieser | The alkylation of hydroxynaphthoquinone II. Carbon alkylation | |
Folkers et al. | Erythrina alkaloids. IX. Isolation and characterization of erysodine, erysopine, erysocine and erysovine | |
US2033679A (en) | Choh-ch | |
Lutz et al. | Reduction studies in the morphine series. IX. Hydroxycodeinone | |
US3344188A (en) | d (-)-n-tert.butyl- and -n-isopropyl-1-phenyl-2-amino-ethanols | |
JPS59167590A (en) | Pyrazolo(1,5-a)pyridine derivative, its preparation and remedy containing the same | |
PhilipáGibson | VII.—Nitro-derivatives of o-cresol | |
US2203121A (en) | Preparation of diacetyldihydromorphinone | |
Adams et al. | Structure of gossypol. VII. Gossypol dimethyl ether | |
US2447099A (en) | 2-phenylindene derivatives and process for the manufacture of same | |
US2033514A (en) | Cinchona alkaloid derivative | |
US3060174A (en) | Esters of the androstane series and process for their manufacture | |
Baker | 367. The condensation of catechol with acetone | |
Solmssen | The Synthesis of Estrogenic Indene Derivatives and Remarks on the Configuration of Stilbestrol1 | |
Cohen et al. | Antiplasmodial action and chemical constitution Part I. Cinchona alkaloidal derivatives and allied substances | |
US3219531A (en) | Flavone derivatives | |
US2228166A (en) | Basic double ethers of quinoline series and a process of preparing them | |
Small et al. | The Desoxymorphines1 | |
US2124321A (en) | Preparation of antiseptics for internal use | |
US2039802A (en) | Quinine compound and process of | |
US2088941A (en) | Amino-alcohols | |
US2269792A (en) | 1-methylbutyl-p-aminobenzoate | |
LaForge et al. | ROTENONE. XIX. THE NATURE OF THE ALKALI SOLUBLE HYDROGENATION PRODUCTS OF ROTENONE AND ITS DERIVATIVES AND THEIR BEARING ON THE STRUCTURE OF ROTENONE | |
US1948162A (en) | Process of preparing compounds of the 1-phenyl-2-aminoalcohols-1 series hydroxylatedin the phenyl nucleus | |
Robertson et al. | 320. Constituents of the bark of Zanthoxylum americanum (mill). Part V. The structure of allo xanthoxyletin |